The Aero Precision M4E1 Complete Lower Receiver with SB Tactical Stabilizing Brace is the perfect starting place for your AR pistol build. This complete lower features an M4E1 Lower and is upgraded to include an SB Tactical SBA3 Stabilizing Brace. The SBA3 is an adjustable ATF Compliant Pistol Stabilizing Brace that provides integral QD sling sockets and increased stability for your AR Pistol.
Includes:M4E1 Lower ReceiverMOE GripSBA3 BraceLower Parts KitCarbine Receiver ExtensionAR15 Carbine Buffer and Spring
Specifications:Platform: AR15Series: AR15Receiver Extension: PistolCompatability: Works with standard AR15 components and magazines
